class Animal{
    public String name;
    public String color;
    public int age;
    static{
        System.out.println("animal.static");
    }
    public Animal(String name,int age){
        this.name=name;
        this.age=age;
        System.out.println("animal.构造");
    }
    {
        System.out.println("animal.实例");
    }
    void eat(){
        System.out.println("吃饭...");
    }
}